Canonical Atlas record

TS 23.271

Functional stage 2 description of Location Services (LCS)

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Responsible WGS2

StatusUnder change control

Initial releaseRel-4

Selected releaseRel-13

Latest indexed version19.0.0

Series23

TypeTS

Release evolution

Compare evidence between releases

Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.

Release ledger

Version · WI · CR evidence by release

Rel-44.13.03 WI80 CRs · 50 approved

Rel-55.13.02 WI133 CRs · 37 approved

Rel-66.13.07 WI351 CRs · 87 approved

Rel-77.10.012 WI82 CRs · 26 approved

Rel-88.1.04 WI1 CR · 1 approved

Rel-99.8.06 WI123 CRs · 35 approved

Rel-1010.4.01 WI13 CRs · 6 approved

Rel-1111.3.02 WI11 CRs · 4 approved

Rel-1212.1.02 WI12 CRs · 2 approved

Rel-1313.1.02 WI12 CRs · 3 approved

Rel-1414.4.01 WI33 CRs · 11 approved

Rel-1515.2.01 WI9 CRs · 4 approved

Rel-1616.0.00 WI0 CRs

Rel-1717.0.01 WI6 CRs · 1 approved

Rel-1818.0.01 WI7 CRs · 1 approved

Rel-1919.0.00 WI0 CRs

R99no version indexed3 WI0 CRs

Rel-13 snapshot

Work affecting this release

12 indexed Change Requests · 2 connected Work Items.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0428 rev.1 — Positioning methods alignment

CR 0428 — Positioning methods alignment

CR 0413 — Cleaning up of I-WLAN

CR 0412 — Cleaning up of I-WLAN

CR 0410 rev.1 — MT Location procedures when a UE is in Idle eDRX mode

CR 0410 — MT Location procedures when a UE is in Idle eDRX mode

CR 0409 rev.1 — Support of retrieval of Location Information for support of IMS ES for WLAN interworking based on TR 23.771 phase 1 conclusion

CR 0409 — Support of retrieval of Location Information for support of IMS ES for WLAN interworking based on TR 23.771 phase 1 conclusion

CR 0408 — Clarification on how to get LCS accurate cell identity

CR 0407 — Clarification on how to get LCS accurate cell identity

CR 0405 rev.1 — Clarification on how to get LCS accurate cell identity

CR 0405 — Clarification on how to get LCS accurate cell identity

Version history

Indexed versions

Showing 60 of 95 indexed versions.

19.0.0Rel-19SA#1092025-10-06

18.0.0Rel-18SA#1032024-03-27

17.0.0Rel-17SA#94-e2021-12-23

16.0.0Rel-16SA#88-e2020-07-09

15.2.0Rel-15SA#862019-12-22

15.1.0Rel-15SA#812018-09-17

15.0.0Rel-15SA#802018-06-19

14.4.0Rel-14SA#792018-03-27

14.3.0Rel-14SA#782017-12-22

13.1.0Rel-13SA#782017-12-22

14.2.0Rel-14SA#762017-06-12

14.1.0Rel-14SA#752017-03-13

14.0.0Rel-14SA#742016-12-16

13.0.0Rel-13SA#692015-09-22

12.1.0Rel-12SA#642014-06-24

11.3.0Rel-11SA#642014-06-24

12.0.0Rel-12SA#622013-12-17

9.8.0Rel-9SA#592013-03-07

11.2.0Rel-11SA#592013-03-07

10.4.0Rel-10SA#592013-03-07

9.7.0Rel-9SA#582012-12-18

11.1.0Rel-11SA#582012-12-18

10.3.0Rel-10SA#582012-12-18

11.0.0Rel-11SA#572012-09-18

9.6.0Rel-9SA#512011-03-28

10.2.0Rel-10SA#512011-03-28

10.1.1Rel-10SA#502011-01-04

9.5.0Rel-9SA#502010-12-20

10.1.0Rel-10SA#502010-12-20

9.4.0Rel-9SA#482010-06-14

10.0.0Rel-10SA#482010-06-14

9.3.0Rel-9SA#472010-03-26

9.2.0Rel-9SA#462009-12-15

8.1.0Rel-8SA#462009-12-15

7.10.0Rel-7SA#462009-12-15

9.1.0Rel-9SA#452009-09-30

9.0.0Rel-9SA#442009-06-09

8.0.0Rel-8SA#422008-12-16

7.9.0Rel-7SA#372007-09-26

7.8.0Rel-7SA#352007-03-20

7.7.0Rel-7SA#342006-12-11

7.6.0Rel-7SA#332006-10-04

7.5.0Rel-7SA#322006-06-13

7.4.0Rel-7SA#312006-03-27

7.3.0Rel-7SA#302005-12-15

7.2.0Rel-7SA#292005-10-05

6.13.0Rel-6SA#292005-10-05

7.1.0Rel-7SA#282005-06-17

6.12.0Rel-6SA#282005-06-17

7.0.0Rel-7SA#272005-03-24

6.11.0Rel-6SA#272005-03-24

6.10.0Rel-6SA#262005-01-06

5.13.0Rel-5SA#262005-01-06

4.13.0Rel-4SA#262005-01-06

6.9.0Rel-6SA#252004-09-27

5.12.0Rel-5SA#252004-09-27

4.12.0Rel-4SA#252004-09-27

6.8.0Rel-6SA#242004-06-23

5.11.0Rel-5SA#242004-06-23

6.7.0Rel-6SA#232004-04-01

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 23.271

WI 1181

Stage 2 for LCS support in the PS domain

Rel-4official

LCS4

Rel-4 Location Services enhancements

Rel-4parsed

TEI4

(Small) Technical Enhancements and Improvements for Rel-4

Rel-4parsed

LCS1

Rel-5 Location Services enhancements

Rel-5official

LCS1-SEC

New security aspects of LCS

Rel-5official

Effective Acronym:

Stage 2 for Enhanced support for anonymity and user privacy

Rel-6official

Effective Acronym:

Stage 2 for Improvement on Le interface

Rel-6official

Effective Acronym:

Stage 2 for New area event for location service triggering reports

Rel-6official

Effective Acronym:

Stage 2 for Location Services support for IMS public identities

Rel-6official

Effective Acronym:

Stage 2 for Enhanced inter-GMLC interface

Rel-6official

LCS2

Location Services enhancements 2

Rel-6official

WLAN

WLAN-UMTS Interworking Rel-6

Rel-6official

AGNSS

Stage 1/2 for Towards AGNSS Concept

Rel-7official

EMC1

Stage 2 Specification Phase - IMS-level

Rel-7official

EMC1

PS domain and IMS impacts for supporting IMS Emergency calls (EMC1)

Rel-7official

Effective Acronym:

Deleted - IMS aspects to support IMS Emergency sessions

Rel-7official

Effective Acronym:

Deleted - PS domain aspects to support IMS Emergency sessions

Rel-7official

Galileo

Deleted - Study on applicability of GALILEO for LCS

Rel-7official

IMS-EMER

Deleted - PS domain and IMS support for IMS Emergency sessions

Rel-7official

LCS3

Stage 2 for LCS3 (including IMS emergency location aspects)

Rel-7official

LCS3

Location Services enhancements

Rel-7official

LCS3-IWLAN

LCS for 3GPP Interworking WLAN

Rel-7official

LCS3-IWLAN

Stage 2 for LCS architecture for I-WLAN

Rel-7official

TEI7

(Small) Technical Enhancements and Improvements for Rel-7

Rel-7parsed

LCS4_IWLAN

Deleted - was Rel-7 - LCS for 3GPP Interworking WLAN

Rel-8official

SAES-LTE

SAE for LTE access

Rel-8official

SAES-SA-FP_LTE-GTP-St2

Stage 2 for SAES-SA-FP_LTE with GTP variant

Rel-8official

SAES-St2

Deleted - Stage 2 of architecture for the 3GPP System Architecture Evolution

Rel-8official

IMS_EMER_GPRS_EPS

Support for IMS Emergency Calls over GPRS and EPS

Rel-9official

IMS_EMER_GPRS_EPS

Stage 2 for IMS Emergency Calls over GPRS and EPS

Rel-9official

LCS_EPS-CPS

LCS Control Plane Solution for EPS

Rel-9official

LCS_EPS-CPS

Stage 2 for LCS Control Plane Solution for EPS

Rel-9official

LCS_LTE_EPS

LCS for LTE and EPS

Rel-9parsed

TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed

TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed

LCS_LTE-NBPS

Network-Based Positioning Support for LTE

Rel-11parsed

TEI11

(Small) Technical Enhancements and Improvements for Rel-11

Rel-11parsed

Dia_SGSN_GMLC

Diameter based interface between SGSN-GMLC (Stage 3)

Rel-12parsed

TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed

TEI13

(Small) Technical Enhancements and Improvements for Rel-13

Rel-13parsed

UTRA_LTE_iPos_enh-Core

Core part: Indoor Positioning enhancements for UTRA and LTE

Rel-13parsed

TEI14

(Small) Technical Enhancements and Improvements for Rel-14

Rel-14parsed

5GS_Ph1

5G System - Phase 1

Historical association · verification pending

Rel-15historical link

IoT_SAT_ARCH_EPS

Architecture support for NB-IoT/eMTC Non-Terrestrial Networks in EPS

Rel-17parsed

TEI18

(Small) Technical Enhancements and Improvements for Rel-18

Rel-18parsed

LCS

Location Services

R99official

Lawful Interception for GSM Features transposed to UMTS

R99official

TEI

(Small) Technical Enhancements and Improvements for R99

R99parsed

Knowledge graph

Related standards

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